New York County Climate
New York County, New York
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.8°F
Annual Precip
49.5"
Annual Snowfall
29.8"
Extreme Heat Days
17
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
3,867
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: New York County
Climate Verdict
New York County has a mild, with an average annual temperature of 55.8°F, moderately wet with 49.5 inches of annual precipitation, rare extreme heat with only 17.4 days above 90°F annually, moderate snowfall of 29.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 33.7°F. summers are warm — July averages 77.5°F. The 44°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
New York County is 8.3°F warmer than the New York statewide average of 47.5°F, it is also noticeably wetter, receiving 6.2 inches more precipitation than the state average.
Climate Profile
About New York County Weather
An Urban Heat Island Hub
New York County averages 55.8°F annually, placing it above the national median. The dense urban environment creates a distinct microclimate warmer than its surrounding suburbs.
The Peak of New York Temperatures
At 55.8°F, Manhattan is significantly warmer than the state average of 47.4°F. It records 17 days of extreme heat, nearly double that of many other New York counties.
The Warmest in the Region
Manhattan stays one degree warmer than Nassau County on average and receives more annual precipitation at 49.5 inches. Its 17 extreme heat days lead the immediate metropolitan area.
Sweltering July and Rainy Winters
July averages a hot 77.5°F, while January stays above freezing at 33.7°F. The county receives 29.8 inches of snow, which often turns to slush quickly in the city streets.
Invest in Cooling and Rain Gear
With 17 days over 90°F, high-efficiency air conditioning is a primary necessity for city residents. Frequent precipitation of 49.5 inches makes durable waterproof footwear a daily essential.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.